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I'm having some trouble with setting up a SMTP server on a windows server 2003 machine, while trying to send emails using PHP through the internet, but to domain email addresses.

Common info:

  • I'm a newbie on this, so I don't know many of the concepts
  • Machine has Windows Server 2003 Server
  • Machine on a domain (mydomain.com)
  • Machine is not a domain controller
  • Machine accesses a domain controller through the internet (WAN with a corporate VPN link by the internet provider setup on the machine's gateway - adsl modem/router)
  • Email addresses use the same suffix (mydomain.com)
  • Do not have access to domain controller configuration

First Scenario

  • TCP/IP DNS: 1st 192.168.200.xxx 2nd 8.8.8.8
  • Direct access to domain controller is functional
  • PHP mail using localhost to a user@mydomain.com won't work, because the remote mail server rejects emails from internal traffic (apparently!?!) (internal DNS)

Second Scenario

  • TCP/IP DNS: 1st 8.8.8.8 2nd 192.168.200.xxx (switched)
  • Direct access to domain controller is not functional, only local accounts work
  • PHP mail using localhost to a user@mydomain.com does work, because the remote mail server is accessed through its internet/external address (ISP DNS).

So, what I needed is to have both (1) access to the domain controller and (2) PHP mail using localhost to a user@mydomain.com account working.

Any pointers? Thanks in advance

edit: initally posted at stackoverflow but changed it here after recommendation.

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2 Answers 2

up vote 1 down vote accepted

I used hMailserver to route SMTP traffic to the email server I wanted, and disabled the IIS

Thanks for the input

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I might have completely misunderstood what you are saying, but I would suggest setting the smtp host settings in php.ini to your ISP smtp server like so;

; http://www.php.net/manual/en/mail.configuration.php#ini.smtp
SMTP = your-smtp-server.yourisp.com

Then php in scenario 1) php will send email externally, and not be confused by the AD domain with the same name as the MX record for user@mydomain.com

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I think this will send emails using that external SMTP server. Even though I could use this in another way, I am actually trying to send email using this machine (localhost), which is not getting accepted by the receiver server –  acseven May 13 '12 at 12:44
    
oh, then paste the bounce message and we can tell you what needs to change –  Tom H May 13 '12 at 21:42

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